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        "description": "The actual apparatus separation was approximately 1.4 m. The abstract’s sensitivity and accuracy expressed for a 10 m baseline are scaled or inferred, not demonstrated with a 10 m instrument. Accuracy is inferred from tidal-model comparisons over limited runs and is not independently validated here. An earlier 1998 atom-gradiometer demonstration is a separate contribution. Separate experimental data and simulation replay, individual full-name identity mapping, and final published-version comparison remain open.",
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      "statement": "# An atom gravity gradiometer rejects common vibration and measures tidal signals\n\nMcGuirk and colleagues operated two light-pulse atom accelerometers as a gravity gradiometer. They characterized common-mode vibration rejection and measured a tidal acceleration signal, and presented interference fringes and tests of sensitivity to platform motion. A source archive supplies the eleven original figures missing from the generated preprint PDF.\n\n## Scientific scope\n\nThe actual apparatus separation was approximately 1.4 m. The abstract’s sensitivity and accuracy expressed for a 10 m baseline are scaled or inferred, not demonstrated with a 10 m instrument. Accuracy is inferred from tidal-model comparisons over limited runs and is not independently validated here. An earlier 1998 atom-gradiometer demonstration is a separate contribution. Separate experimental data and simulation replay, individual full-name identity mapping, and final published-version comparison remain open.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nJ. M. McGuirk; G. T. Foster; J. B. Fixler; M. J. Snadden; M. A. Kasevich\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [Sensitive Absolute Gravity Gradiometry Using Atom Interferometry](https://arxiv.org/pdf/physics/0105088v1)\n- [McGuirk et al. author-preprint v1 source archive and figures](https://arxiv.org/src/physics/0105088v1)\n",
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